1361520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 4797312

約数和(自身を除く): 3435792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 61, 62, 72, 80, 90, 93, 120, 122, 124, 144, 155, 180, 183, 186, 240, 244, 248, 279, 305, 310, 360, 366, 372, 465, 488, 496, 549, 558, 610, 620, 720, 732, 744, 915, 930, 976, 1098, 1116, 1220, 1240, 1395, 1464, 1488, 1830, 1860, 1891, 2196, 2232, 2440, 2480, 2745, 2790, 2928, 3660, 3720, 3782, 4392, 4464, 4880, 5490, 5580, 5673, 7320, 7440, 7564, 8784, 9455, 10980, 11160, 11346, 14640, 15128, 17019, 18910, 21960, 22320, 22692, 28365, 30256, 34038, 37820, 43920, 45384, 56730, 68076, 75640, 85095, 90768, 113460, 136152, 151280, 170190, 226920, 272304, 340380, 453840, 680760, 1361520]

約数ペア:

[(1, 1361520), (2, 680760), (3, 453840), (4, 340380), (5, 272304), (6, 226920), (8, 170190), (9, 151280), (10, 136152), (12, 113460), (15, 90768), (16, 85095), (18, 75640), (20, 68076), (24, 56730), (30, 45384), (31, 43920), (36, 37820), (40, 34038), (45, 30256), (48, 28365), (60, 22692), (61, 22320), (62, 21960), (72, 18910), (80, 17019), (90, 15128), (93, 14640), (120, 11346), (122, 11160), (124, 10980), (144, 9455), (155, 8784), (180, 7564), (183, 7440), (186, 7320), (240, 5673), (244, 5580), (248, 5490), (279, 4880), (305, 4464), (310, 4392), (360, 3782), (366, 3720), (372, 3660), (465, 2928), (488, 2790), (496, 2745), (549, 2480), (558, 2440), (610, 2232), (620, 2196), (720, 1891), (732, 1860), (744, 1830), (915, 1488), (930, 1464), (976, 1395), (1098, 1240), (1116, 1220)]